docs: mention current system-fileio install conflict

This commit is contained in:
Simon Michael 2014-01-08 15:38:01 -08:00
parent 048de0e521
commit 230249f509

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@ -134,6 +134,11 @@ or get help.
become inconsistent, and you should fix these first.
[ghc-pkg-clean](https://gist.github.com/1185421) is an easy way.
#. **cabal says "rejecting: system-fileio-0.3.11, 0.3.10 (conflict: blah blah blah.."**
system-fileio does not yet allow text 1.x, making cabal sweat.
If your cabal is modern enough, adding `--max-backjumps=10000` should help.
([more](https://groups.google.com/d/topic/hledger/FdWGTSAVzYU/discussion)).
#. <a name="cabaldeps" />**cabal can't satisfy the new dependencies due to old installed packages**
Cabal dependency failures become more likely as you install more
packages over time. If `cabal install hledger-web --dry` says it can't